Dweets by u/hypothete

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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hypothete

function u(t) {

d=x.getImageData(0,0,w=c.width=256,h=144);for(i=0;i<d.data.length;i+=4)d.data.set([0,255*(t*i/4%w)/w,96,255],i);x.putImageData(d,0,0)

Mar 11 2017 8:00 PM UTC

}// 133/140

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Remix of https://www.dwitter.net/d/676. Trying to shrink byte manipulation.

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hypothete

function u(t) {

f=Math.random;x.strokeStyle='#609';
c.onmousemove=e=>{
x.arc(e.pageX*3.4,e.pageY*3.4,20*S(t*9)+30,0,7);
x.stroke();}

Mar 11 2017 6:57 AM UTC

}// 116/140

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u/gabrielsroka

Move the mouse
u/lionleaf

amazing

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hypothete

function u(t) {

f=Math.random;
z=100;
for(i=0;i<z*2;i++){
d=i%20;e=i/20|0;d+=e%2;
j=2+S(d*1.1+t*4);
x.font=j+'em a';
x.fillText('👀',d*z,e*z);
}

Mar 11 2017 6:24 AM UTC

}// 128/140

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hypothete

function u(t) {

f=Math.random;z=f()*500;x.globalCompositeOperation='xor';x.beginPath();
x.arc(f()*1920,f()*1080,z,0,Math.PI*2);x.fill();

Mar 11 2017 2:15 AM UTC

}// 120/140

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hypothete

function u(t) {

w=t;v=30;x.fillRect(0,0,v,5);x.translate(v,0);x.rotate(w);

Mar 11 2017 1:59 AM UTC

}// 58/140

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u/FireFly

Very nice spirals!
u/hypothete

I wish I had a better understanding of how they worked, this one is just dumb luck. :P

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hypothete

function u(t) {

d=1920;e=1080;
f=Math.random;
g=(t%e);
x.font=g+'px Arial';
x.fillText('🐞',d*f()-g/2,e*f());

Mar 10 2017 6:55 AM UTC

}// 93/140

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u/PiggyClone205

L A D Y B U G

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hypothete

function u(t) {

d=960;e=1080;
z=t*d%1920;
f=1;l=1;
x.font='200px Arial';
y=-d*Math.abs(S(t*f*Math.PI*2)/Math.exp(t*l));
x.fillText('🃏',z,e+y);

Mar 10 2017 6:43 AM UTC

}// 127/140

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u/sfz

I feel like I just won one card solitaire!
u/iverjo

Me too!
u/iverjo

Reminds me of Windows 3.1
u/sfz

Btw - you can change font to '14em a' or similar to save some bytes
u/hypothete

thx sfz!
u/stiaje

If you don't need a very exact pi you can also shave some bytes off.

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hypothete

function u(t) {

P=Math.PI;Q=t*t;U=S(t);V=C(t);x.fillStyle=R(128+128*S(t),128+128*S(t+2*P/3),128+128*S(t+4*P/3));x.fillRect(960,540,U*Q,V*Q);

Mar 10 2017 1:12 AM UTC

}// 124/140

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u/Lazy1337

nice

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hypothete

function u(t) {

Q=t*t;U=S(t);V=C(t);x.fillRect(960+U*Q,540+V*Q,10,10);

Mar 9 2017 6:57 PM UTC

}// 54/140

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hypothete

function u(t) {

sf=80;x.globalAlpha=0.1;x.drawImage(c,-sf+sf*S(t),-sf+sf*S(t/2)/2,1920+2*sf,1080+2*sf);
x.font='200px Arial'; x.fillText('🍄',810, 540);

Mar 8 2017 8:57 PM UTC

}// 135/140

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